Sony Ericsson Z500 Series Cell Phone User Manual


 
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More features
Calculator
The phone has a calculator, which can add,
subtract, divide and multiply.
To use the calculator
} Organizer } Calculator.
Press or to select ÷ x - + . % =
Press to delete the figure.
Press to enter a decimal point.
SIM card lock
The SIM card lock protects your subscription, but
not your phone itself, from unauthorized use. If you
change SIM cards, the phone still works with the
new SIM card.
Some SIM cards are locked at the time of purchase.
If the SIM card lock is on, you have to enter a PIN
(Personal Identity Number) every time you turn on
your phone.
If you enter your PIN incorrectly three times in a
row, the SIM card is blocked. This is indicated by
the message PIN blocked.. To unblock it you need
to enter your PUK (Personal Unblocking Key).
Your PIN and PUK are supplied by your
service provider.
To unblock your SIM card
1 When PIN blocked. is displayed, enter your
PUK } OK.
2 Enter a new four- to eight-digit PIN } OK.
3 Re-enter the new PIN to confirm } OK.
To edit your PIN
} Settings } the General tab } Locks } SIM Lock
} ChangePIN.
To turn the SIM card lock on or off
1 } Settings } the General tab } Locks
} SIM Lock } Protection and select On or Off.
2 Enter your PIN } OK.
Phone lock
The phone lock protects the phone against
unauthorized use if it is stolen and the SIM card is
exchanged. It is not on when you buy the phone.
You can change the phone lock code (0000) to any
four- to eight-digit personal code.
If the message Codes do not match. appears, you
entered the new PIN incorrectly. If the message
WrongPIN. appears, followed by Old PIN:, you
entered your old PIN incorrectly.